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For the Inventor, By the Inventor

Salem, VA, United States of America

Assa Abloy High Security Group Inc.


USPTO Granted Patents = 10

% Expired Patents = 10.0


Trademarks = 28

Forward Citations = 27

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11 inventors (with patents filed for the assignee):

goldMedal Peter H Field (9 out of 34 patents)

silverMedal Douglas E Trent (6 out of 14 patents)

bronzeMedal Thomas Edwin Duckwall (5 out of 8 patents)

4.  Mark Benzie (4 out of 7 patents)

5.  Samuel D Wood (3 out of 3 patents)

6.  Walter Dannhardt (3 out of 13 patents)

7.  Clyde T Roberson (2 out of 7 patents)

8.  Glenn K Hartman (2 out of 8 patents)

9.  James Bench (1 out of 3 patents)

10.  Torsten Quast (1 out of 1 patent)

11.  Lance G Schoell (1 out of 5 patents)

12.  Glenn Hartman (0 patent)


10 patents:

1. 12742342 - Key and key blanks operable in vertically and horizontally oriented keyways (2026-09-22),
2. 12196000 - Cylinder lock with multiple, supplemental locking elements and associated key (2025-01-14),
3. 12077983 - Key and key blanks operable in vertically and horizontally oriented keyways (2024-09-03),
4. 11624206 - Lock cylinder and key with multiple, supplemental locking elements (2023-04-11),
5. 11280111 - Operating a lock cylinder with multiple, supplemental locking elements (2022-03-22),
6. 10253526 - Dual function lock cylinder assembly operable by different keys (2019-04-09),
7. 9920551 - Electromechanical cylinder lock (2018-03-20),
8. 9771738 - Flat-bladed key (2017-09-26),
9. 9482031 - Cylinder lock including multiple cooperating sidebars for controlling the lock (2016-11-01),
10. 9416561 - Cylinder lock configured to be operated by a flat-bladed key (2016-08-16),
Company Overview
Assa Abloy High Security Group Inc., based in Salem, VA, specializes in advanced security solutions, focusing on high-security locking systems and access control technologies. The company is recognized for its innovative approach to security, providing products that cater to various sectors, including commercial, institutional, and residential markets. With a commitment to enhancing safety and security, Assa Abloy High Security Group integrates cutting-edge technology into its offerings, ensuring robust protection for its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#5 in Salem, VA

#528 in Virginia

#29,839 in US

#55,986 in the World

Salem, VA (US)
Salem, VA, United States of America

Assa Abloy High Security Group Inc.

Forward Citations = 27

11 inventors:

goldMedal Peter H Field (9 out of 34 patents)

silverMedal Douglas E Trent (6 out of 14 patents)

bronzeMedal Thomas Edwin Duckwall (5 out of 8 patents)

4.  Mark Benzie (4 out of 7 patents)

5.  Samuel D Wood (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Assa Abloy High Security Group Inc.. Retrieved from https://idiyas.com/company/assa-abloy-high-security-group

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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